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FB4C
FY5B
NOTE: Read the entire instruction manual before starting the
installation.
TABLE OF CONTENTS
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AIRFLOW PERFORMANCE TABLES
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service, maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, personal injury or property
damage. Consult a qualified installer, service agency, or your
distributor or branch for information or assistance. The qualified
installer or agency must use factory- -authorized kits or accessories
when modifying this product. Refer to the individual instructions
packaged with kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing
and work gloves. Have a fire extinguisher available. Read these
instructions thoroughly and follow all warnings or cautions
included in literature and attached to the unit. Consult local
building codes and the current editions of the National Electrical
Code (NEC) NFPA 70.
In Canada, refer to the current editions of the Canadian Electrical
Code CSA C22.1.
Recognize safety information. This is the safety- -alert symbol
When you see this symbol on the unit and in instruction manuals,
be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, and
CAUTION. These words are used with the safety- -alert symbol.
DANGER identifies the most serious hazards which will result in
severe personal injury or death. WARNING signifies hazards
Installation Instructions
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FOR PURONr REFRIGERANT
which could result in personal injury or death. CAUTION is used
to identify unsafe practices which may result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions which will result in enhanced installation, reliability, or
operation.
1
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ELECTRICAL OPERATION HAZARD
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Failure to follow this warning could result in personal injury
2
or death.
2
Before installing or servicing unit, always turn off all power to
unit. There may be more than 1 disconnect switch. Turn off
4
accessory heater power if applicable. Lock out and tag switch
4
with a suitable warning label.
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CUT HAZARD
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Failure to follow this caution may result in personal injury.
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Sheet metal parts may have sharp edges or burrs. Use care and
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wear appropriate protective clothing and gloves when
handling parts.
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Models FB4C and FY5B are Puron Fan Coils designed for
installation flexibility. These units are designed to meet the low air
leak requirements currently in effect.
FB4C uses a refrigerant piston metering device (018 thru 048) and
TXV (060) with an X13 integral electronically commutated motor
for efficiency. These units have be designed for upflow, downflow
(kit required), and horizontal orientations, including manufactured
and mobile home applications.
FY5B uses a refrigerant piston metering device (018 thru 048) with
2- -speed PSC (permanent split capacitor) motors and TXV with
3- -speed PSC motor for the 060 size, These units can be used for
upflow or downflow (kit required)
manufactured and mobile homes applications.
These units require a field supplied air filter, and are designed
specifically for Puron refrigerant air conditioners and heat pumps
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as shipped. These units are available for systems of 18,000 through
60,000 Btuh nominal cooling capacity. Factory- -authorized, field - -
installed electric heater packages are available in sizes 5 through
30kW. See Product Data literature for all available accessory kits.
FAN COIL UNITS
SIZES 018 TO 060
WARNING
CAUTION
INTRODUCTION
orientations, including
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Table of Contents
Related Manuals for Carrier FY5B
Summary of Contents for Carrier FY5B
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Page 1: Table Of Contents
Have a fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions FY5B uses a refrigerant piston metering device (018 thru 048) with included in literature and attached to the unit. Consult local 2- -speed PSC (permanent split capacitor) motors and TXV with... -
Page 2: Heater Packages
HEATER PACKAGES CAUTION This unit may or may not be equipped with an electric heater package. For units not equipped with factory- -installed heat, a UNIT OR PROPERTY DAMAGE HAZARD factory- -approved, field- -installed, UL listed heater package is available from your equipment supplier. See unit rating plate for a Failure to follow this caution may result in product or property damage. - Page 3 COIL MOUNTING BLOWER SCREW ASSEMBLY COIL FA CT OR Y SHIPPED BRACKET HORIZONTAL LEFT APPLICATION COI L SUPPORT RAIL COIL SUPPORT DRAIN PA N RAIL SUPPORT BRACKET COIL BRACKET SLOPE COIL HORIZONTAL DRAIN PAN PRIMARY DRAIN DRAINPAN PRIMARY DRAIN HORIZONTAL LEFT REFRIGERANT AIR SEAL CONNECTIONS...
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Page 4: Step 3 - Air Ducts
(TYPICAL BOTH SIDES) DOWN FLOW BASE KIT (KFACB) SECURE UNIT TO FLOOR ANGLE BRACKET OR PIPE STRAP 4” (102mm) MAX A07567 LR40061 Fig. 8 - - A- -Coil A03010 Fig. 9 - - Fan Coil Printed Circuit Board for FY5B Model... - Page 5 CAUTION FAN COIL THERMOSTAT (CONTROL) PROPERTY DAMAGE HAZARD Failure to follow this caution may result in product or property damage. If a disconnect switch is to be mounted on unit, select a location where drill or fastener will not contact electrical or refrigerant components.
- Page 6 Transformer Information FAN COIL HEAT PUMP THERMOSTAT (CONTROL) Transformer is factory- -wired for 230v operation. For 208v (CONTROL) applications, disconnect the black wire from the 230v terminal on transformer and connect it to the 208v terminal. (See Fig. 16.) SECONDARY ODTS PRIMARY A94061...
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Page 7: Step 5 - Refrigerant Tubing Connection And Evacuation
Fig. 18 - - Motor Speed Selection not lower than the minimum fan speed indicated. FY5B fan speed selection is done at the fan relay printed- -circuit Step 5 — Refrigerant Tubing Connection and board. To change motor speeds, disconnect fan lead used on relay Evacuation terminal (SPT) and replace with motor speed tap desired. -
Page 8: Step 7 - Condensate Drains
required, check piston size shown on indoor unit rating plate to see CAUTION if it matches required piston shown on outdoor unit rating plate. If it does not match, replace indoor piston with piston shipped with outdoor unit. The piston shipped with outdoor unit is correct for UNIT OR PROPERTY DAMAGE HAZARD any approved indoor coil combination (See Fig. -
Page 9: Step 8 - Accessories
Fig. 23 - - Wiring Layout of Electronic Air Cleaner to Fan Coil condensate pan should be installed underneath the entire unit, and a for FY5B Models Only secondary condensate line (with appropriate trap) should be run from the unit into the pan. Any condensate in this external condensate pan should be drained to a noticeable place. -
Page 10: Step 9 - Sequence Of Operation
Step 9 — Sequence of Operation B. Humidifier Connect humidifier and humidistat to fan coil unit as shown in Fig. A. Continuous Fan 24 and Fig. 25. The cooling lockout relay is optional. Thermostat closes R to G. G energizes fan relay on PCB which completes circuit to indoor blower motor.